US233070A - Manufacture of wood pulp for paper - Google Patents
Manufacture of wood pulp for paper Download PDFInfo
- Publication number
- US233070A US233070A US233070DA US233070A US 233070 A US233070 A US 233070A US 233070D A US233070D A US 233070DA US 233070 A US233070 A US 233070A
- Authority
- US
- United States
- Prior art keywords
- pulp
- manufacture
- wood pulp
- paper
- wood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920001131 Pulp (paper) Polymers 0.000 title description 10
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000004575 stone Substances 0.000 description 12
- 239000002023 wood Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
Definitions
- My invention consists in the utilization and reduction to pulp of the tops of trees, bushes, Ste-that is, the twigs and small branches or brush-which are 110w considered of no value, but are got rid of by burning.
- wood or wood-fiber has been reduced to pulp substantially in three ways: first, by grinding from the side of the grain by abrasion against the surface of a rotary stone; second, by disintegrating or separating the fibers by percussion; and, third, by separating and softening the fiber by a chemical bath or vapor.
- My present invention is in furtherance of a system of producing wood pulp begun in my Patent No. 182,891, and dated the 3d day of October, 1876, in which is shown an engine composed of two stones, arranged face to face, and between which the wood is reduced to pulp, water being introduced to prevent clogging of the stones and provide the necessary vehicle for the finished pulp.
- a pulp composed of the wood and bark of brush or twigs is sufficiently strong for and is to be applied to the manufacture of hollow articles, such as kegs, pails, barrels, &c., as well as for chair-seats and various other articles.
Description
UNITED STATES PATENT OFFICE.
MANUFACTURE OF WOOD PULP FOR PAPER.
SPECIFICATION formingpart of Letters Patent No. 233,070, dated October 12, 18 80.
- Application filed February 4, 1880.
facture of useful articles is concerned.
My invention consists in the utilization and reduction to pulp of the tops of trees, bushes, Ste-that is, the twigs and small branches or brush-which are 110w considered of no value, but are got rid of by burning.
Heretofore wood or wood-fiber has been reduced to pulp substantially in three ways: first, by grinding from the side of the grain by abrasion against the surface of a rotary stone; second, by disintegrating or separating the fibers by percussion; and, third, by separating and softening the fiber by a chemical bath or vapor.
It is not practicable to reduce the twigs and small branches of trees or bushes to pulp by any of the above methods, since they do not possess bulk and strength enough for the grinding process on the periphery of a revolving stone, while the bark in which they are entirely inclosed prohibits their being reduced by the percussive or chemical processes.
My present invention is in furtherance of a system of producing wood pulp begun in my Patent No. 182,891, and dated the 3d day of October, 1876, in which is shown an engine composed of two stones, arranged face to face, and between which the wood is reduced to pulp, water being introduced to prevent clogging of the stones and provide the necessary vehicle for the finished pulp.
In carrying my invention into practice in the manufacture of pulp, I collect large quantities of brush, so called, and before introducing into the engine, in which water is employed, I prefer to pass it through preliminary crushing-rollers, by which comminution is, to a considerable degree, effected, and wear of the stones in the engine economized, after which it is introduced to the engine and reduced to pulp, as explained in my patent before named.
A pulp composed of the wood and bark of brush or twigs, as before stated, is sufficiently strong for and is to be applied to the manufacture of hollow articles, such as kegs, pails, barrels, &c., as well as for chair-seats and various other articles.
I claim 1. A wood pulp produced by reduction between revolving stones of brush, twigs, and small branches of trees in their natural state, substantially as explained.
22. The process of producing wood pulp from twigs, brush, and small branches of trees by first crushing and subsequently grinding, substantially as hereinbefore set forth.
JEFFERSON CHASE.
Witnesses:
H. E. LODGE, M. BAILEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US233070A true US233070A (en) | 1880-10-12 |
Family
ID=2302439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US233070D Expired - Lifetime US233070A (en) | Manufacture of wood pulp for paper |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US233070A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247568A1 (en) * | 2003-06-13 | 2006-11-02 | Med Logic Limited | Improved disposable applicator for topical composition |
-
0
- US US233070D patent/US233070A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247568A1 (en) * | 2003-06-13 | 2006-11-02 | Med Logic Limited | Improved disposable applicator for topical composition |
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